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1

On cosmic time variability of the fine-structure constant

Sergei A. Levshakov

Journal:

Vistas in Astronomy

Year:

1993

Language:

english

File:

PDF, 209 KB

english, 1993

2

The Gunn–Peterson effect and the Lyman alpha forest

Sergei A. Levshakov, Wilhelm H. Kegel

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

1998

Language:

english

File:

PDF, 688 KB

english, 1998

3

Uncertainties in the interpretation of the Lyman alpha forest lines

Levshakov, S. A., Kegel, W. H.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

1996

Language:

english

File:

PDF, 895 KB

english, 1996

4

Fundamental constants and high-resolution spectroscopy

Bonifacio, P., Rahmani, H., Whitmore, J.B., Wendt, M., Centurion, M., Molaro, P., Srianand, R., Murphy, M.T., Petitjean, P., Agafonova, I.I., D'Odorico, S., Evans, T.M., Levshakov, S.A., Lopez, S., Ma

Journal:

Astronomische Nachrichten

Year:

2014

Language:

english

File:

PDF, 251 KB

english, 2014

5

A new constraint on cosmological variability of the proton-to-electron mass ratio

S. A. Levshakov, M. Dessauges-Zavadsky, S. D'Odorico, P. Molaro

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

2002

Language:

english

File:

PDF, 165 KB

english, 2002

6

Analysis of absorption spectra of 11 quasars with ze>2

S. A. Levshakov, D. A. Varshalovich

Journal:

Year:

1982

Language:

english

File:

PDF, 825 KB

english, 1982

7

Absorption spectra of quasars

S. A. Levshakov

Journal:

Year:

1988

Language:

english

File:

PDF, 1.36 MB

english, 1988

8

Spectral study of quasars of the Second Byurakan Survey of the Northern Sky. I. The quasars SBS 0953+549, SBS 1116+603, and SBS 1138+584

S. A. Levshakov, D. A. Varshalovich, E. A. Nazarov

Journal:

Year:

1986

Language:

english

File:

PDF, 635 KB

english, 1986

9

The formation of carbon monoxide UV absorption bands in media with stochastic velocity fields

Levshakov, S. A., Kegel, W. H.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

1994

File:

PDF, 373 KB

1994

10

Differential measurements of the fine-structure constant from quasar spectra: a test of Kaluza-Klein cosmologies

Levshakov, S. A.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

1994

Language:

english

File:

PDF, 224 KB

english, 1994

11

New aspects of absorption line formation in intervening turbulent clouds -- II. Monte Carlo simulation of interstellar H+D Ly absorption profiles

Levshakov, S. A., Kegel, W. H., Mazets, I. E.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

1997

Language:

english

File:

PDF, 1.51 MB

english, 1997

12

New aspects of absorption line formation in intervening turbulent clouds -- I. General principles

Levshakov, S. A., Kegel, W. H.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

1997

Language:

english

File:

PDF, 1.34 MB

english, 1997

13

Generation of neutron star magnetic fields by thermomagnetic effects

Urpin, V. A., Levshakov, S. A., Yakovlev, D. G.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

1986

Language:

english

File:

PDF, 220 KB

english, 1986

14

Molecular hydrogen in the z = 2.811 absorbing material toward the quasar PKS 0528-250

Levshakov, S. A., Varshalovich, D. A.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

1985

File:

PDF, 147 KB

1985

15

An upper limit to the variation in the fundamental constants at redshift z = 5.2

Levshakov, S. A., Combes, F., Boone, F., Agafonova, I. I., Reimers, D., Kozlov, M. G.

Journal:

Astronomy and Astrophysics

Year:

2012

Language:

english

File:

PDF, 152 KB

english, 2012

16

Absorption-line spectra of quasars

D.A. Varshalovich, S.A. Levshakov, V.B. Nebelitsky

Journal:

Advances in Space Research

Year:

1984

Language:

english

File:

PDF, 178 KB

english, 1984

17

Stringent bounds to spatial variations of the electron-to-proton mass ratio in the Milky Way

P. Molaro, S.A. Levshakov, M.G. Kozlov

Journal:

Nuclear Physics B - Proceedings Supplements

Year:

2009

Language:

english

File:

PDF, 252 KB

english, 2009

18

New aspects of absorption-line formation in intervening turbulent clouds -- III. The inverse problem in the study of H+D profiles

Sergei A. Levshakov, Wilhelm H. Kegel, Fumio Takahara

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

1999

Language:

english

File:

PDF, 1.08 MB

english, 1999

19

A spectroscopic method for measuring turbulence in QSO Lyα forest clouds

Sergei A. Levshakov

Journal:

Space Science Reviews

Year:

1995

Language:

english

File:

PDF, 199 KB

english, 1995

20

Determination of efficiency losses in gas suspensions

A. M. Levshakov

Journal:

Journal of Engineering Physics and Thermophysics

Year:

1976

Language:

english

File:

PDF, 317 KB

english, 1976

21

A Reverse Monte Carlo Study of H+D Lyman Alpha Absorption from QSO Spectra

S. A. Levshakov, W. H. Kegel, F. Takahara

Journal:

Space Science Reviews

Year:

1998

Language:

english

File:

PDF, 94 KB

english, 1998

22

Bounds on the fine structure constantvariability from Fe iiabsorption lines in QSO spectra

P. Molaro, D. Reimers, I. I. Agafonova, S. A. Levshakov

Journal:

The European Physical Journal Special Topics

Year:

2008

Language:

english

File:

PDF, 732 KB

english, 2008

23

A promising heat-transfer agent for heat treatment of metals — A stream of gas with solid particles

A. M. Levshakov, N. I. Syromyatnikov

Journal:

Metal Science and Heat Treatment

Year:

1968

Language:

english

File:

PDF, 82 KB

english, 1968

24

NH

Ilyushin, Vadim V., Jansen, Paul, Kozlov, Mikhail G., Levshakov, Sergei A., Kleiner, Isabelle, Ubachs, Wim, Bethlem, Hendrick L.

Journal:

Physical Review A

Year:

2012

Language:

english

File:

PDF, 324 KB

english, 2012

25

The UVES large program for testing fundamental physics - II. Constraints on a change in towards quasar HE 0027-1836

Rahmani, H., Wendt, M., Srianand, R., Noterdaeme, P., Petitjean, P., Molaro, P., Whitmore, J. B., Murphy, M. T., Centurion, M., Fathivavsari, H., D'Odorico, S., Evans, T. M., Levshakov, S. A., Lopez,

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

2013

Language:

english

File:

PDF, 1.35 MB

english, 2013

26

Microwave and submillimeter molecular transitions and their dependence on fundamental constants

Kozlov, Mikhail G., Levshakov, Sergei A.

Journal:

Annalen der Physik

Year:

2013

Language:

english

File:

PDF, 1.35 MB

english, 2013

27

Mid- and far-infrared fine-structure-line sensitivities to hypothetical variability of the fine-structure constant

Kozlov, M. G., Porsev, S. G., Levshakov, S. A., Reimers, D., Molaro, P.

Journal:

Physical Review A

Year:

2008

Language:

english

File:

PDF, 114 KB

english, 2008

28

Transition frequency shifts with fine-structure-constant variation for Fe II: Breit and core-valence correlation corrections

Porsev, S. G., Koshelev, K. V., Tupitsyn, I. I., Kozlov, M. G., Reimers, D., Levshakov, S. A.

Journal:

Physical Review A

Year:

2007

Language:

english

File:

PDF, 96 KB

english, 2007

29

The effect of spatial correlations in a chaotic velocity field on the D/H measurements from QSO absorption spectra

Levshakov, S. A., Takahara, F.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

1996

Language:

english

File:

PDF, 1.13 MB

english, 1996

30

The UVES Large Program for testing fundamental physics I. Bounds on a change in α towards quasar HE 2217−2818

Molaro, P., Centurión, M., Whitmore, J. B., Evans, T. M., Murphy, M. T., Agafonova, I. I., Bonifacio, P., D’Odorico, S., Levshakov, S. A., Lopez, S., Martins, C. J. A. P., Petitjean, P., Rahmani, H.,

Journal:

Astronomy and Astrophysics

Year:

2013

Language:

english

File:

PDF, 763 KB

english, 2013

31

Sensitivity of microwave spectra of deuterated ammonia to the variation of the electron-to-proton mass ratio

Kozlov, M G, Lapinov, A V, Levshakov, S A

Journal:

Journal of Physics B Atomic Molecular and Optical Physics

Year:

2010

Language:

english

File:

PDF, 105 KB

english, 2010

32

Check of the constancy of the fundamental constants over cosmological time

Varshalovich, Dmitrii A, Levshakov, S A, Potekhin, A Yu

Journal:

Physics Uspekhi

Year:

1993

Language:

english

File:

PDF, 225 KB

english, 1993

33

Nitrogen-deficient and iron-rich associated absorbers with oversolar metallicities towards the quasar HE0141-3932

Levshakov, S. A., Agafonova, I. I., Reimers, D., Fechner, C., Janknecht, E., Lopez, S.

Journal:

Proceedings of the International Astronomical Union

Year:

2005

Language:

english

File:

PDF, 231 KB

english, 2005

34

Spatial and temporal variations of fundamental constants

Levshakov, S. A., Agafonova, I. I., Molaro, P., Reimers, D.

Journal:

Proceedings of the International Astronomical Union

Year:

2009

Language:

english

File:

PDF, 63 KB

english, 2009

35

Sensitivity of microwave and FIR spectra to variation of fundamental constants

Kozlov, M. G., Lapinov, A. V., Levshakov, S. A.

Journal:

Proceedings of the International Astronomical Union

Year:

2009

Language:

english

File:

PDF, 66 KB

english, 2009

36

Exploring variations in the fundamental constants with ELTs: the CODEX spectrograph on OWL

Molaro, Paolo, Murphy, Michael T., Levshakov, Sergei A.

Journal:

Proceedings of the International Astronomical Union

Year:

2005

Language:

english

File:

PDF, 162 KB

english, 2005

37

VLT/UVES shows no cosmological variability of $\alpha$

Molaro, Paolo, Centurion, Miriam, D'Odorico, Sandro, Levshakov, Sergei

Journal:

Proceedings of the International Astronomical Union

Year:

2005

Language:

english

File:

PDF, 105 KB

english, 2005

38

Most precise single redshift bound to the variability of the fine-structure constant

Levshakov, S. A., Centurión, M., Molaro, P., D'Odorico, S., Reimers, D., Quast, R., Pollmann, M.

Journal:

Proceedings of the International Astronomical Union

Year:

2005

Language:

english

File:

PDF, 87 KB

english, 2005

39

Calibration issues in Δα/α

Centurión, Miriam, Molaro, Paolo, Levshakov, Sergei

Journal:

Proceedings of the International Astronomical Union

Year:

2009

Language:

english

File:

PDF, 132 KB

english, 2009

40

SENSITIVITY OF THE H 3 O + INVERSION-ROTATIONAL SPECTRUM TO CHANGES IN THE ELECTRON-TO-PROTON MASS RATIO

Kozlov, M. G., Levshakov, S. A.

Journal:

The Astrophysical Journal

Year:

2011

Language:

english

File:

PDF, 231 KB

english, 2011

41

METHANOL AS A TRACER OF FUNDAMENTAL CONSTANTS

Levshakov, S. A., Kozlov, M. G., Reimers, D.

Journal:

The Astrophysical Journal

Year:

2011

Language:

english

File:

PDF, 159 KB

english, 2011

42

Searching for chameleon-like scalar fields with the ammonia method

Levshakov, S. A., Molaro, P., Lapinov, A. V., Reimers, D., Henkel, C., Sakai, T.

Journal:

Astronomy and Astrophysics

Year:

2010

Language:

english

File:

PDF, 1.18 MB

english, 2010

43

Spin-torsion effects in the hyperfine structure of methanol

Coudert, L. H., Gutlé, C., Huet, T. R., Grabow, J.-U., Levshakov, S. A.

Journal:

The Journal of Chemical Physics

Year:

2015

Language:

english

File:

PDF, 605 KB

english, 2015

44

Fine-structure transitions as a tool for studying variation of α at high redshifts

Levshakov, S. A., Kozlov, M. G.

Journal:

Monthly Notices of the Royal Astronomical Society: Letters

Year:

2017

Language:

english

File:

PDF, 142 KB

english, 2017

45

Testing the variability of the proton-to-electron mass ratio from observations of methanol in the dark cloud core L1498

Daprà, M., Henkel, C., Levshakov, S. A., Menten, K. M., Muller, S., Bethlem, H. L., Leurini, S., Lapinov, A. V., Ubachs, W.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

2017

Language:

english

File:

PDF, 813 KB

english, 2017

46

Sulfur-reduction additives based on ordered hexagonal mesoporous silica in the catalytic cracking of vacuum gas oil

Anisimov, A. V., Lysenko, S. V., Terenina, M. V., Glotov, A. P., Levshakov, N. S., Nikiforova, A. G.

Journal:

Theoretical Foundations of Chemical Engineering

Year:

2017

Language:

english

File:

PDF, 341 KB

english, 2017

47

[C i], [C ii] and CO emission lines as a probe for α variations at low and high redshifts

Levshakov, S. A., Ng, K.-W., Henkel, C., Mookerjea, B.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

2017

Language:

english

File:

PDF, 505 KB

english, 2017

48

Sulfur-Reducing Additives Based on Aluminosilicates Al-SBA-15 and Al-SBA-16 for Cracking catalysts

Glotov, A. P., Levshakov, N. S., Artemova, M. I., Smirnova, E. M., Vutolkina, A.V., Lysenko, S. V.

Journal:

Chemistry and Technology of Fuels and Oils

Year:

2018

File:

PDF, 2.10 MB

2018

49

Bimetallic Sulfur-Reducing Additives Based on Al–MCM-41 Structured Aluminosilicate for Cracking Catalysts

Glotov, A. P., Levshakov, N. S., Vutolkina, A. V., Lysenko, S. V.

Journal:

Petroleum Chemistry

Year:

2018

Language:

english

File:

PDF, 618 KB

english, 2018

50

EUV spectral energy distribution of quasars restored from associated absorbers

Levshakov, S. A., Agafonova, I. I., Reimers, D., Hou, J. L., Molaro, P.

Journal:

Astronomy and Astrophysics

Year:

2008

Language:

english

File:

PDF, 829 KB

english, 2008